1633A - Div 7 - CodeForces Solution

brute force *800

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Python Code: 

t = int(input())
for i in range(t):
    n = int(input())
    if n % 7 == 0:
        print(n)
    else:
        ans = -1
        for j in range(10):
            if (n - n % 10 + j) % 7 == 0:
                ans = n - n % 10 + j
        print(ans)

C++ Code: 


                   /*******************************************************
                    *   IN THE NAME OF ALLAH  ,  BISMILLAHIR RAHMANIR RAHIM  *
                    ********************************************************/


                   /*.............MD.  JAHIDUL ISLAM (MYMENSING)............*/


  #include<bits/stdc++.h>

  using namespace std;

  #define jahid long long

  #define jahid_CSE_computer_Engineer() ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

  int main()
  {
     jahid_CSE_computer_Engineer();

   jahid t;

   cin>>t;

   while(t--)
   {
       jahid a;

       cin>>a;

       if(a%7==0)
       {
           cout<<a<<endl;
       }

       else
       {
           a=a/10;

           a=a*10;

           while(a%7!=0)
           {
               a++;
           }

           cout<<a<<endl;
       }
   }


    return 0;
}


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